<!DOCTYPE html>
<html>
  <body>
    <div style="display: table-row">
      <div style="display: table-row">
        <div style="display: table-cell">Long long cell</div>
        <div style="display: table-cell">cell</div>
      </div>
      <span style="display: table"></span>
      <div style="display: table-row">
        <div style="display: table-cell">cell</div>
        <div style="display: table-cell">cell</div>
      </div>
    </div>
  </body>
</html>
